A) x-y=5 b) 3x-2y=6 c) x+y=4

x+3y=9 x-3y=2 2x+y=7

d) x+y=9 e) 2x+3y=2

x-y=5b 4x-9y=-1

Penny has some money. After she pays $5 for her new kitten, she will have $27. How much money does she have now?

From a committee consisting of 5 men and 6 women, a sub-committee is formed consisting of 4 men and 3 women. How many different subcommittees are possible?

Sandra saves 12% of her salary for retirement. This year her salary was $3000 more than in the previous year, and she saved $4200. What was her salary in the previous year?

12+3 to the second power

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I am very confused on how to figure out if y = 3/4x is proportional?

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At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.