7. a model of a house is shown. what is the
perimeter of the model?
16 - 2x
7x + 11
13x – 4
a. 18x – 23
b. 31x – 14
c. 23x + 50
d. 36x + 46

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

f(x)=4

step-by-step explanation:

y = -1

x = 8

hope this !