A cell phone company tests 75 cell phones and finds that 3 of them have defects. Out of 450 cell phones, how many would you expect to have defects?

If your heart beats 80 times per minute and you live to be 90 years old, estimate the number of times your heart beats during your lifetime. State your answer in scientific notation

A rectangle measures 13 cm by 5 cm what is its area

If y=8 when x = 3 find try when x=45

A box contains 50 cups. It is a mix of plastic and paper cups. Simon chooses a cup out of the bag, without looking, records the cup type, and then places that cup back in the bag. Simon has recorded 24 plastic cups and 26 paper cups.

What is the correct way to write $450.05 and wires on a check

Find the sum of 4 1/2,7 1/2 and 6

Which of the following is a statistical question? A. What percent of students in each class like sandwiches? B. What time is the art class? C. How many hours did Ryan study today? D. How far does Christina live from her school? Reset

Yesterday, a movie theater sold 265 bags of popcorn. A large bag of popcorn costs $3. A small bag of popcorn costs $1. In all, the movie theater made $433 from popcorn sales.

Is the quotient of 5 and 1/2 greater than or less than 5? Explain your answer in complete sentences.

Enter the number that belongs in the green box. х 84 x = [? ] y = [ ] Enter