Utilizando o princípio aditivo e multiplicativo, resolva as equações dadas e apresente o conjunto solução para U = R. a) 2b - 7 = 17
U = { }
S =

b) 5y + 12 = y - 4
U = { }
S =

c) 3x + 5 = 32
U = { }
S =

d) 8m - 10 = m + 11
U = { }
S =

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?