The half-life of a radioactive substance is 275 days. How many days will it take for 70% of the substance to decay?

A document that is 25 inches by 32 inches is redrawn at 112 scale and then redrawn at 14 scale. What are the final dimensions of the drawing?

if the volume of a cube shaped box is 729 cubic inches, how many 1 inch cubes could fit along one side?

Explain how you can use the whole number expression 248:4 to check that your answer to exercise to is reasonable

Determine whether the number 1 is prime or composite. Explain how you know.

Mike deposited $850 into the bank in July. From July to December, the amount of money he deposited into the bank increases by 25% per month. What's the total amount of money in his account after December? Round your answer to the nearest penny.

Jace is placing a carpet in his square shaped room. Room measures 144ft squared what is the perimeter of the living room

A swimmer swam 48 kilometers in d days. What is the value of d the swimmer swam an average of average of 3.2 kilometers daily?

Find the domain of the composite function fog (x) if f (x) = 2x+1; g (x) = x + 4

Round to the nearest hundredth as needed what is 9*=46

Royce walks 3/4miles to school and 3/4 miles home each day. in how many days will he have walked 3 miles?