Use the formula d=rt to write an equation for the distance traveled by a boat upstream against a current and another equation for the distance traveled by a boat downstream with the current. (r=speed of boat and c=rate of current)

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!

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

the answer is 54 sq. ft. i just did this question, on odyssey ware, and it was right. make brainliest.

ιт ωιℓℓ вєтнє fιяѕт ¢нσι¢є(α.)

convert the exponential equation to a logarithmic equation using the logarithm base (6) of the right side (36) equals the exponent (2).

ℓσg6(36)=2

нσρє ι ¢συℓ∂ нєℓρ уα