Answer:
multiply both sides by 4
Step-by-step explanation:
Answer:
the correct answer is 60° and 30°( for the two angles that have the ratio 2:3)
The other angle will be 90°
Answer:
63
Step-by-step explanation:
9(7+9) = 63 +81
Answer:
320
Step-by-step explanation:
Using the rules of exponents
•
⇔

•
×
⇔ 
simplifying
= 4³ × x³ = 64x³
(5x³) ×
= 5x³ × 64x³ = (5 × 64) × (x³ × x³) = 320
= 320
Answer:
14 in.
Step-by-step explanation:
To find the diameter from the circumference you have to divide the circumference by pi