What is the slope of the line that passes through the points (–9, 5) and (–7, 10)?

a. -5/2

b. -2/5

c. 2/5

d. 5/2

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?

Which expression is equivalent to 64 - 9x^2?