3r + 7r, Solve for r

A cube has an edge length of 7 inches. What is its volume, in cubic inches?

Solve for x. tanx = 12.7 1.5° 22.5° 85.5°

22 lb/day = oz/h a) 352 b) 29.33 c) 14.7 d) 0.92

Solve the trigonometric equation on the interval 0 ≤ θ < 2π. (enter your answers as a comma-separated list.) 2 sin (θ) - 2 = 0

Lindsay can paint 1/x of a certain room in 20 minutes. what fraction of the same room can joseph paint in 20 minutes if the two of them can paint the room in an hour, working together at their respective rates?

12345678910 Which expression shows 12 more than the quotient of 63 and 9. A) 12 + 63 : 9 B) 12 + 9 : 63 C) (12 + 63) : 9 D) (12 + 9) : 63

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2