What does h(40) = 1820 mean in terms of the problem? a. a worker who works 40 hours is paid $1820. b. a worker with 40 hours of training is paid $1820 per month. c. there are 40 workers who are paid $1820 per month. d. a worker with 1820 hours of training is paid $40 per month.

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.