.4 A store sells two sizes of mattresses: queen and king. It buys q queen mattresses at x dollars each, and k king mattresses at z dollars each. For each situation, write an equation solved for the given quantity. The equations may contain more than one variable; you may not get a numeric answer. a) The number of queen mattresses the store can purchase if it spends a total of $50,000 on mattresses and buys 40 king mattresses for $400 each.

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

what are the

the height of the surface increases from the center out to the sides of the road

it is c!

46

step-by-step explanation:

given

height = 168 cm

formula

height =2.47*f+54.13

solution

168 = 2.47f + 54.13             subtract 54.13 from both sides

168 - 54.13   = 2.47f             combine

113.87 = 2.47f                     divide by 2.47

113.87 / 2.47 = f                   combine

46.1 = f  

answer: 46 cm