Last month, Raul bought 6 used books for $7.50. This month he bought 8 used books for $10.00. What is the constant of proportionality between the cost and the number of books bought?

A. 0.75

B. 1.25

C. 2

D. 2.5

A building lot in a city is shaped as a 30°-60°-90° triangle, like the figure shown. The side opposite the 30° angle measures 41 feet. a. Find the length of the side of the lot opposite the 60° angle. Show how you know. b.

Solve for a in the equation a-17=42

Two circles that cannot have a common tangent:

Identity thieves can use your personal information to

A ship is 2.8 degrees off course. If the ship is traveling at 14 mph, how far off course will it be after 2 hours?

Cassidy's goal is to raise more than $75 for charity. She has already raised $6. Now she is selling cupcakes for $3 each to reach her goal. Let c represent the number of cupcakes Cassidy needs to sell to reach her goal.

5 out of 8 cameras sold in a store are digital they sold 72 cameras how many digital discthey sell

Simplify completely 25 w to the sixth power over 10 w to the third power divided by 30 w squared over 5 w.

Multiply the polynomials. (2x+6x+6) (3x-2)

Fraction as a decimal round to three decimal place 4/10