The number of pairs of shoes sold s (in thousands) increases and
then decreases as described by the function
s(t) = -2t - 15 + 50, where t is the time
(in weeks).

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

1

step-by-step explanation:

it's the only multiple of both and the least

16.9 times 2.85

step-by-step explanation:

the answer is 489

step-by-step explanation: