Answer:
15
Step-by-step explanation:
124° + 9x + 11 = 180 ➡ 9x = 135° ➡ x = 15
Answer:
$47.92
Step-by-step explanation:
20% discount: $599 * 80% = $479.2 before tax
15% tax added: $479.2 + $71.88 = $551.08
Saved money: $599-$551.08= $47.92
Answer: 4x − y = -23
Step-by-step explanation:
V = <span>πr^2h
V = </span><span>π . 6^2 . 11
V = </span><span>π . 36 .11
V = 396</span><span>π
if you use </span><span>π = 3.14 then
V = 396 x 3.14 = 1243.44
answer: </span>396π or 1243.44