Which of these is equal to 50 + 21?

7*300=7 * find product

1/4 (-12+4/3) what is the solution

Simplify the following equation: 4 + (-3) - 2 x (-6)

This year Jake is 5 years older than his sister. Three years ago Jake was twice his sister's age. How old is Jake's sister now?

A cyclist travels 2/3 of his journey at an average speed of 12 miles per hour. He then travels the remaining 30 miles of his journey in 3 hours. How long does his trip take?

Circle O has a circumference of 88cm

How do you represent a real world problem involving ratios or rates

51450:98 can u show me how

if a right triangle has one leg of length 16 inches and a hypotenuse length of 34 inches how long is the other leg?

In the equation below, what is the value of b? 4 (x-2) ^2-7=ax^2+bx+c