I am doing USATest Prep and this question came up can you please explain the answer and how to get it.

I am doing USATest Prep and this question came up can you please explain the answer and how to get it.

Twice the sum of two consecutive integers is 10 less than 5 times the smaller integer. Find the greater integer.

Find the value of y if AC = 3y+5. CB = 4y - 1, AB=9y-12, and point C is between A & B

Find the length of RS if S is the midpoint of RT, RS = 3x-3 and ST = 2x +6

the choices are A:8 B:7 C:5 D:4 E: It cannot be determined from the information given

If ( 1 1 )6 = 432 a2 b3 What is ab? The answer given is 12, but I can't figure out...

If x,y, and z are positive integers such that the value of x+y is even and the value of (x+y)^2 (squared)+x+z is odd, which of the following must be true? a) x is odd b) x...

A regulation for riding a certain amusement park ride requires that a child be between 30 inches and 50 inches tall. Which of the following inequalities can be used to determine whether or not a child's...

If k,n, and r are integers, let k^(n,r) be defines to be true onlu if n<k<r. If -2^(n,0) is true, which of the following could be a possible value of n? I. -3, II. -1, III. 3 a) I only b)...

The eggs in a certain basket are either white or brown. If the ratio of the number of white eggs to the number of brown eggs is 2/3, each of the following could be the number of eggs in the basket...

if xr=v, v=kr, and rv=~0, which of the following is equal to k?

A certain triangle has two angles that have the same measure. If the lengths of two of the sides of the triangle are 50 and 30, what is the least possible value for the perimeter of the triangle....

A group of students washed cars to raise money. The net amount A, in dollars, raised by washing K cars is given by the function A(K)=4K-30. If the group washed 15 cars, what is the net amount they...