If 5 is added to a number and the sum is doubled, the result is 7 less than the number. What is the number? Write your answer as a number only.

Julian measuredthe distance around a small fishpond as 27 yards. which would be a good estimate for the distance across the pond 14 yards, 9 yards, or 7 yards?

Which is equivalent to 64 Superscript one-fourth?

5 is less than or equal to y over 8

Name the value of the given digit 7: in 477; 000

What is the answer to 9 to 27

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18

An object is launched from a platform. It's height is meters is modeled by: h (x) = - 5 (x+1) (x-9) where x represents the time in schools after the launch. How many seconds after launch will the object hit the ground