Derek's score on a test was 90 percent. He had 72 questions right. How many problems were on the test?

The sequence a, = 2, 4, 8, 16, 32, ... is the same as the sequence ay = 2, an = 2an-1. true or false

Identify the factors of x2 - 4x - 21. (x - 7) (x + 3) (x + 7) (x - 3) (x + 21) (x - 1) (x - 21) (x + 1)

A and B are complementary angles. If A = (x+10) and B = (3x+28), then find the measure of B.

Solve 2x squared minus x equals 3 by factoring

What is 3498 divided by 7. Explain how you got this answer and why you think its reasonable

Departure 5:15 am arrival 11:15 am what is the answer to total flight time

Which text feature best indicates that this workplace document is also a procedural document

lena's house casts a shadow that is 14 feet long at the same time that lena casts a shaodw that is 3.5 feet long if lena is 4.5 feet tall how tall is hr house?

The mean temperature for the first 4 days in January was 4°C. The mean temperature for the first 5 days in January was 5°C. What was the temperature on the 5th day?

Herb knows the volume of a cone is one third that of a cylinder with the same base and height. He reasons that a cone with the same height as a given cylinder but 3 times the radius should therefore have the same volume as the cylinder, since 1/3•3=