Y= x + 4 y = −2x − 2 explain how you will solve the pair of equations by substitution. show all the steps and write the solution in (x, y) form.

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980

As a manufacturer of golf equipment, the spalding corporation wants to estimate the proportion of golfers who are left-handed. how many golfers must be surveyed if we want 99% confidence that the sample proportion has a margin of error of 0.025? assume that a previous study suggests that 20% of golfers are left-handed.

Explain the pythagorean theorem in one paragraph with evidence supporting your claim.