2v + 7 = 3 I dont know what to do

4 red cubes and 4 white cubes are there in a basket. If two cubes are drawn at random, then what is the probability that the first one is white and the second one is red?

Which is the side length of a cube with a volume of 64 m3?

What number gives a result of - 3 when 9 is subtracted from the quotient of the number and 5

A youth group is setting up camp. Rain is predicted, so the campers decide to build a fly, or rain cover, over their tent. The fly will be 12 feet high and 16 feet wide.

What is quadratic equation? Can you give me an example?

I have two bags of marbles. The first bag contains 6 red marbles, 5 blue marbles, and 4 green marbles. The second bag contains 3 red marbles, 2 blue marble, and 4 green marbles. I will randomly select one marble from each bag.

Terrance is loading two different size boxes onto an elevator, which has a wieght limit. The small boxes weigh 5 kg each and the large boxes weigh 8 kg each.

What is the answer to the question 5x+2x

Kamal has big feet. Kamal's mom says she wouldn't be surprised if he grew to be 7 feet tall! Kamal's new shoes came in a box that measures 16 inches by 9 inches by 6 inches. What is the volume of the shoebox?

Five times the sum of the digits of a two-digit number is 13 less than the original number. If you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number.