If the average grade of an English class rose from 70 to 85, what is the approximate percent increase?

A. The percent increase is 14%.

B. The percent increase is 17%.

C. The percent increase is 21%.

D. The percent increase is 35%.

Nestor need 750 centimeters of rope. Rope comes in lengths of 4 1/2 meters and 9 meters at the hardware store. Which length of rope should Newton buy?

Determine what type of model best fits the given situation: A retirement account is expected to grow by 15% each year. A. none of these B. exponential C. quadratic D. linear

A university wants to estimate the average distance that commuter students travel to get to class with an error of ±3 miles and 90 percent confidence.

The casts of some Broadway shows go on tour, performing their shows in cities across the United States. For the period 1990-2001, the number of tickets sold S (in millions) for Broadway road tours can be modeled by the function S = 332 + 132t - 10.

Solve: 5x - 7x + 6 = - 2 (x - 3).

Find the length of an arc formed by a 90 degree angle on a circle with a radius of 6 the hcc

Which of the following sentences contains a gerund phrase (not a verb phrase or just a gerund by itself) ?

How is a debit card differ from a credit card

3a+3b=18 What can you you fill in the "a" and "b" blanks to get 18

What property states that any element is equivalent to itself?