​Which of the following number sentences shows the correct method to find 45% of 10? Select two that apply. A
45 × 1045 × 10
B
.45 × .10.45 × .10
C
45100×10
100
45 ×10
D
0.45 × 100.45 × 10

all it means is function 3

the answer is a) y= 2 csc [0.5 (x+pi/2)]-1

step-by-step explanation:

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.