How do you know that substitution gives the answer to a system of equations?

What is the difference between linear factor and linear term?

Between the starting line and finish line there was an 8% decrease in the number of runners. If there were 75 runners at the starting line, how many made it to the finish line?

When a biologist wishes to estimate the mean time that such sharks stay immobile by inducing tonic immobility in each of a sample of 12 sharks, find the probability that mean time of immobility in the sample will be between 10 and 13 minutes?

Find the second term of this sequence? 3n^2-1

An otterbox was on sale 20% off. if the sale price was $47.99, what was the original price?

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