Ella has 50stacks of ten pennies how many pennies ella has in all?

What is 0.31111 ... as a fraction

Reduce the fraction. Write a conditional statement: 8a+4b/2ab+b^2-2ad-bd

Eighty percent of students surveyed said they feel more focused after exercising. Nine hundred fifty students were surveyed. How many students say they feel more focused?

A truck is 75% longer than the car. A bus is 30% longer than the truck. How long is the car is the bus is 40 feet long?

What is 258 over 300 in percent and decimals

Which is greater 64 inches or 5 feet

Wo students, Ann and Max, factored the trinomial 4x2 - 6x - 4. Ann factored it as 2 (x - 2) (2x + 1) and Max factored it as (x - 2) (4x + 2). Indicate which student factored the trinomial completely and which student did not, and explain why.

Find the range of the following data. Scores:90.89,87,79,89,84,80,85,85,79

The distance across the center of a hula-hoop is 2 feet. How much plastic is needed to make the hula-hoop? Keep your answer in terms of pi.

Two numbers add to 336 and the first is 124 bigger than the second. What are the two numbers?