Using the binomial theorem expression to expand (4a+7b)^8, what would you substitute for the values of a and b? A. a=11 and b=8

B. a=4a and b=7b

C. a=4 and b=7

D. a=8 and b=7

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)