In 20 years, Sam will be 2 times Mary's age. 20 years ago Sam was 4 times Mary's age. How old are Sam and Mary now?

A principal wants to send her top science students on a field trip to the state science center. T trip costs $250 for a bus and driver, plus $17.50 per student for food and admission. A. What is the cost of sending 30 students? 60 students? B.

Noah says to find 20% of a number he divides the number by 5. Does Noah method always work?

Implify the expression - 3 (x + 3) 2 - 3 + 3x. What is the simplified expression in standard form?

Before lunch time Abigail and Teresa each read some pages from different books. read 5 or one fifth of the pages in her book. Teresa read 6 pages or one sixth of pages in her book. whose book had more pages? how many more pages

Solve this equation for x. Round your answer to the nearest hundredth. 0.96 = log x Enter the correct answe

What is a like radical to cube root 54 after simplifying

168 h; days what do i do

I roll a six-sided die 4 times. Find chances for each of the following events: a) the first die roll is bigger than the second or the first roll is a

nancy purchased some bed sheets. they were originally $48, but they were on sale for 25% off. what was the sale price of the bed sheets?

What is the length of a diagonal of a cube with a side length of 3cm?