Elena's math class had 24 students yesterday. She miscounted the class total and recorded it as 20 students. What is Elena's percent error?

If there are more negative numbers in an equation will the answer be negative?

silo has a volume of 18,840 ft³. The height of the silo is 60 ft. What is the silo's radius? Use 3.14 to approximate ππ.

The value of 8 in 8000 is how many times the value of 80

545 divided by 7 with a remainder

16. Make c the subject of the formula: ab-cd = ac

What number equals 100 when squared?

What are the zeros of f (x) = x^2-8x+15

What is the average speed on a car that travels 800 kilometers in 20 hours?

Solve the following equation. Then place the correct number in the box. 3x + 1 + 5x = 7 + 15 = 7x X =

Party favors are on sale for $2.40 each. You have $380 to spend on the decorations and gifts, and you have already spent $270 on decorating. Write and solve an inequality to find the number of party favors you can buy.