Answer:
(-5,-3.5) is the midpoint
Step-by-step explanation:
See photo for the step-by-step explanation
Answer:
for four copies the cost is $72
Step-by-step explanation:
52 + 5a = 24 + 12a
28 + 5a = 12a
28 = 7a
a = 4
52 + 20 = 72
for four copies the cost is $72
Answer:
t = 4
Step-by-step explanation:
p = kt
144 = 36t
t = 144/36
t = 4
Answer:
-7
Step-by-step explanation:
7 and -7 squared both equal 49