Raina has two coupons for a phone. Coupon A: 45% off of a $83 phone

Coupon B: $40 rebate on a $83 phone

Choose the coupon that gives the lower price.
ong it says college but im acctually in 7th grade :((

To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.

Which decimals are greater than 0.81? check all that apply. 1.01 0.9 + 0.07 0.7 + 0.09 (5 × 0.1) + (8 × 0.01) (8 × 0.1) + (5 × 0.01)

Pls will give brainliest and 5star and