please i Need help ASAP

please i Need help ASAP

A 300-gram salt and water solution contains 25 g of salt. This mixture is left in the open air and 100 g of water evaporates from the solution. What is the percent concentration of salt in the remaining...

solve the system. Enter the point that is furthest to the left first. y=-x2-x+19 y+80=x I currently Have the first Part done which is (-11,-91) I have...

I looked in the answer key and it said it was 39.03m and I am really confused.

3. For a given population, the mean is 45 and the standard deviation is 4.1 a) Draw the Normal model for distribution to the right. Put the appropriate values on x-axis to 3 standard deviations...

i need the answer

I'm kinda confused about this question..I think its a simultaneous equation

A line passes through the point (-2,-4), and its y-intercept is (0,-6)

Victoria drove at an average speed of 60 mi/h from her home in Dallas to visit her sister in New Orleans. She stayed in New Orleans 15 hours, and on the trip back averaged 35 mi/h. She returned home...

If the polynomials x^4 + 3x^3 + 2x^2 + ax + b and x^3 + 3x^2 - 5x + 6 have the same remainder when divided by (x+1)^2, find the value of a and b

one side of a triangle is 2 cm shorter than the base. the other side is is 4 cm longer than the base. What lengths of the base will allow the perimeter to be greater than 26 cm?

is about algebra

A chemist has 100 ml of a solution that is 7% acetic acid. If the chemist adds 40 ml of pure water to this solution, what is the percent concentration of the resulting mixture?

A carpet is made of a blend of wool and other fibers. If the concentration of wool in the carpet is 75% and the carpet weighs 185 lb, how much wool is in the carpet?

Sal Boxer divided a gift of $6000 into two different accounts. He placed $2000 in one account that earned an annual simple interest rate of 8.5%. The remaining money was placed in an account that...

A=bh ; A=42, h=6 Solve B

Your school is offering the eight grade students a choice of field trip. You may choose to go to the museum of natural history or to the aquarium. There are a total of 66 students in eight grade....

Translate the sentence into an equation

2t^2+10t+6

A couple have designed a new in-ground swimming pool for their backyard. The pool is rectangular and measures 4040 feet by 3030 feet. They have also designed a tile border to go around the pool. In...