I think the answer should be 4.7 but rounded up would be 5
5.1/sin 60 = b/sin 80
cross multiply
b Sin 60 = 5.1 Sin 80
Divide both sides by Sin 60
b = 5.80
Answer: x² - 4
<u>Four less than</u> the <u>square of a number</u>
↓ ↓
(Take away 4) x²
Four less than the square of a number = x² - 4
Answer:
22 miles
Step-by-step explanation:
time must be in hours, hence
15 minutes = = hour
distance = 88 × = = 22 miles