1. a computer technician charges a flat fee of $35 to repair a computer in addition to an hourly rate of $22.50. the technician has calculated he will earn at least $215 from his next repair job. which inequality can be used to determine the number of hours, h, that the technician will work on his next job?
a. 22.5h + 35 ≥ 215 , with a solution of h ≥ 8
b. 22.5h + 35 > 215 , with a solution of h > 8
c. 35h + 22.5 ≥ 215 , with a solution of h ≥ 5.5
d. 35h + 22.5 > 215 , with a solution of h > 5.5
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2. a taxi cab charges a flat rate of $3 in addition to $1.80 per mile, m, traveled. jennifer has no more than $25 to spend on a ride. which inequality represents jennifer's situation?
a. $3 + 1.80m ≥ $25
b. $3 − 1.80m ≥ $25
c. $3 + 1.80m ≤ $25
d. $3 − 1.80m ≤ $25
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3. maya is playing a game in which a set of cards is laid out, face down, in a grid pattern. each card has a mathematical expression written on its face. a player flips over one card and then a second. if the values represented on both card faces are equal, the player scores a point. maya flips over a card showing the expression below. -6over7
which expression on maya's second card will allow her to score a point?
a. –(–6/7)
b. 6/-7
c. 7/-6
d. -6/-7