What is the correct evaluation of 2a2 - 3b2 when a is equal to 2 and b is equal to - 1?

A. 11

B. 5

C.-5

D.-11

Yen bought 4 pounds of cherries. Which expression could be used to figure out how many ounces of cherries Yen bought? (1 lb = 16 oz) A. 16 * 4 B. 16 : 4 C. 16 + 4 D. 16 - 4

You are looking at a map of Texas. The scale indicates that 1 inch is equivalent to 100 miles. The distance on the map from Abilene to San Antonio is 2 inches. How far is it from Abilene to San Antonio?

If 5c-2b=15 and 3b-4c=12, what is the value of b+c? (a) - 27 (b) - 3 (c) 8 (d) 27 (e) cannot be determined with the information given

What is the opposite of the number 14

The graph shows the location of Amber's, Betsey's, and Claire's houses. Each unit on the graph represents 1 block. A coordinate plane graph is shown. Ambers house is located at negative 3 comma negative 3.

Write a measurement division story problem for 5/12:1/6

Daisy works at an ice-cream parlor. She is paid $10 per hour for the first 8 hours she works in a day. For every extra hour she works, she is paid 1.5 times her hourly wage.

Write an equation of the line passing through (-3 ,4 ) and (2 ,5 ). give the answer in standard form.

An air cargo plane can transport as many as 15 regular shipping containers. One supersize container takes up the space of 3 regular containers.

What is the difference between y=sinx and y = 4sinx when graphed?