A sport meeting began 10.15 in the morning . If the meeting took 6 1/2 hours at what time did it attend

10.15+36h and 30m

Step-by-step explanation:

10.15

36.30

+

46.30

convert into time by dividing

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation:

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!