Angle a and angle b are complementary angles. The measure of ∠a is 42°.

Which equation represents this situation with x representing the measure of ∠b?

90+x=42

90+42=x

42+x=90

42-x=90

Between which two whole numbers is the square root of 250

To estimate your average monthly salary, divide your yearly salary by the number of months in a year. write and solve an equation to determine your yearly salary when your average monthly salary is $4560.

Seven less than four times a number is at least 13

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Assume the weight of a randomly chosen american passenger car is a uniformly distributed random variable ranging from 2,500 pounds to 4,500 pounds. (a) what is the mean weight of a randomly chosen vehicle?

Use the quadratic formula to solve 2y² + 6y - 8 = 0. {-4, - 1} {4, - 1} {-4, 1} {4, 1}

Find all real zeros of the function y = - 3x+9

Factor the following expression using the GCF 10dr-60r

What is the value of the expression 8m-2 when m=4?

16. Unemployment is the ratio of A. unemployed workers to employed workers B. unemployed workers to total workers C. workers to total population D. workers to nonworkers