r-12
substitute in r=7
so 7-12 = -5
Katherine earned $15 an hour, divide $105 by the seven hours she worked
Answer:
sin 63° = a / 10
Step-by-step explanation:
With reference angle A
Sin A = BC / AB
Sin 63° = a / 10
Hope it will help :)
Answer:
Jack is 18 years old
Step-by-step explanation:
100:5=20
20-2=<u>18</u>
Add them up then divide them by 4.
6763.6/4 = 1690.9 average.