DG's Plumbing and Heating charges $50 plus $65 per hour for emergency service. Bill was billed $440 for an emergency call. How long was the plumber at Bill's house?

The greenhouse effect occurs on many planets. if the actual temp of venus is - 40 degrees, and the temp of the greenhouse is 800, what is the difference?

27c+17s=809.50 can anyone solve this?

Emma bought a 5-pound bag of apples. Use a proportion to convert 5 pounds to ounces. How many ounces is it equivalent to? The mass of a hummingbird is 4000 milligrams. Use a proportion to convert 4000 milligrams to grams.

Evaluate the peicewise-defined function for the given values of x by matching the domain values with the range values. f (x) = {x+2, x<-3 {3x-4, - 3<=x<1 {-2x+4, x>=1 f (-4) = Choices: -2 -4 -16 f (4) = Choices: -4 6 8 f (0) = Choices: -4 2 4

Find the slope of the line described by x - 3y = - 6.

If the mean of the following distribution is 91 and sum of frequencies is 150 find x and y

Find the value of the spring constant for the spring in trial i. use 0.367 s for the value of the period. the mass of the suspended block is 0.400 kg. enter your answer in n/m with three significant figures.

5 + 3x = - 1 + 6 (6x + 1)

If you see a triangle that has a small box in one angle, what type of triangle is it?

There are t teams in a soccer league. each team consists of 11 players. write an equation to find how many players p are in the league