Perry was going to sell all of his stamp collection to buy a video game. After selling half of them he changed his mind. He then bought fifteen more. How many did he start with if he now has 34?

Ava, Carter, Like, and their dad each now a different section of their yard. Ava moes 1/12 of the yard, carter mows 2/12 of the yard, and Luke mows 4/12 of the yard their dad mows the rest of the yard. What fraction of the yard does the dad mow?

Usain wrote 1 and two thirds as the sum of three fractions. None of the fractions had a denominator of 3. What fractions might Usain have used?

Without dividing, how can you decide whether the quotient 7.16 : 4 will be less than or greater than 2?

Estimate 51.745 + 39.51 by first rounding each number to the nearest whole number.

Decide whether Rolle's theorem can be applied to f (x) = x2 + 5 on the interval [0, 3]. If Rolle's theorem can be applied, find all value (s) of c in the interval such that f ' (c) = 0.

You have 90 minutes to complete atleast 18 chemistry and math problems. It takes 5 minutes to complet a chemistry problem and 4 minutes for each math problem. Which is a possible solution to this equation?

There are 105 calories in a glass and a half of lemonade. how many calories are in 2 1/2 glasses

Factor 4x2-100 completely

Square with side length of 2.8 meters

Write the rule for the relationship between x and y: x: 5 |7 |9 |11 |13 y: 14 |16 |18 |20 |22