Kath starts with a number. she adds 3 to her number then double the result. finally, she subtracts 7. if she ended with 9, what number did she start with?

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