number of positive and negative real zeros of f(x)=5x^4-9x^3-x^2-9x+3 please show me the steps to solving this.

number of positive and negative real zeros of f(x)=5x^4-9x^3-x^2-9x+3 please show me the steps to solving this.

Of the people who fished at Clearwater Park today, 81 had a fishing license, and 9 did not. Of the people who fished at Mountain View Park today, 60 had a license, and 40 did not. (No one fished at...

4y = kx xy=4k y=4kx 4k=x/y

im having trouble trying to find an answer for this question if someone could help me out i would be extremely grateful thank you

algebra 2

The ages of people in a movie theater are normally distributed with a mean of 32 years and a standard deviation of 6.2 years. (round to nearest tenth)

The ages of members of an online gaming group are normally distributed with a mean of 23 years and a standard deviation of 4 years. There are 300 members in the group.

The expression P(z<1.33) represents the area under the standard normal curve below the given value of z.

A normal distribution has a mean of 102 and a standard deviation of 2.9.

algebra 2

Jeff has a chance of receiving an A grade in statistics, a chance of receiving an A grade in geology, and a chance of receiving A grades in both statistics and geology.

The weights of members of a baseball league are normally distributed with a mean of 176 pounds and a standard deviation of 11.4 pounds. Consider a league membership of 120 members.

The aquarium shown at the right holds 5610 gallons of water. Each gallon of water occupies approximately 0.13368 cubic feet. How many cubic feet of water does the aquarium hold? (Round...

I have to find the extraneous solution to the equations

The question is listed above, thanks.

3,000 is deposited in an account that pays 5.9% interest compounded continuousl, how long does it need to stay in the account in order to double?

A standard deviation test has a mean of 50 and a standard deviation of 4. Fin the probability of test scores in the following ranges. 1. between 42 and 58 2. below 46 3. between 46 and...

I am new to the concept of using i, and I need some help.

Suppose you earn a minimum wage of $7.25. 4) Suppose that next week you plan to work h hours. Write an expression that models the amount of money you will earn if you work h hours at $7.25 per...

A flu virus is going around. On the day after a person is exposed he/she is contagious for exactly three days. Assume that on each of those contagious days the person exposes exactly five previously...