At Cycle and Sport, customers can rent bikes, electric scooters, kayaks, canoes, or paddleboards by the hour. Mr. Thompson is renting a kayak and a paddleboard for his family. He has a coupon for 10$ off. Which expression represents the total cost for Mr. Thompson to rent a kayak for k hours and a paddleboard for p hours? A: k(18 +22)-10 B: 18k+22p-10 C: 18k+22p+10 D: 18+22-10
Bike: $9h
Electric Scooter: $10h
Kayak: $18h
Canoe: $20h
Paddleboard: $22h
Helmet: Add $6

a

step-by-step explanation:

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hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.