Which expressions are equivalent to 4(4x + 2y + x − y)?
4(5x + 3y) and 20x + 12y
4(5x + y) and 20x + 4y
4(3x + y) and 12x + 4y
4(3x + 3y) and 12x + 12y
20 points

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1