Robert is 3 years less than half his brothers age. Robert is thirteen years old. How old is his brother?

If a/b = 7/2, then 2a = ___ A) 4b. B) 7b. C) 14b. D) 2b.

Jordan is a student who hates to be called on in class. His teacher randomly calls on students and Jordan knows that on any given day he has a 10% chance of being called on.

Evaluate the expression without using a calculator. ln * square root of e^4 - square root of lne^4

Bryce wrote a six-page essay for his English class. It took him 2.5 hours to write the essay. How many minutes did he average per page?

How i solve 3x+18=3-2x

If you wanted to make the graph of y = 7x - 14 steeper, as well as shift the y intercept of this line up, which equation could you use? A. y = 5x - 18 B. y = 9x - 10 C. y = 5x - 10 D. y = 9x - 18

5x-7=4x-1 how to solve

5x=29x what is the value of x

Simplify and evaluate. 5*10-2

Add 1/7+7/10 as a fraction in simplest form