Solve for r. p=4r+3t

Prove by induction that n! ≤ n^n for all n ∈ N.

Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75. percent fescue. If a mixture of X and Y contains 30 percent ryegrass, what percent of the weight of the mixture is X?

Evaluate each expression if g = 2, r = 3, and t = 11. 3g (g + r) ² - 1 3 (2) (2 + 3) ² - 1 6 (2 + 3) ² - 1 6 (5) ² - 1 6 (25) - 1 150 - 1 = 149 Did I do this correctly?

How do you write 216% as a fraction or mixed number

Simon, Tessa, and Rick are getting lunch together. They want to order different things so they can try each others' meals. They narrow down their options to a hamburger, a hot dog, a chicken sandwich, chicken wings, and vegetarian nachos.

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

Long division 19 divide 23.94