Answer:
6.79 is the tip
the total 52.07
Step-by-step explanation:
45.28 +( 15%= 6.79)
45.28 + 6.79 = 52.07
If 6 also had the -2 exponent answer would be D if not then A
5
40 divided by 16 = 2.5
2*2.5=5
K = 7 or 1
(7-7)(7-1)=0
(1-7)(1-1)=0
10
x = 10, -15
