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What's the Answer

Y=2x-11 and - x - y=-4 solve by substitution

Is 3/12 a rational number.

Kathy has savings a hundred thousand if she invested 100,000 in a saving fund thats adds 5% each year about how much will her saving account have after 20 years? ignore compounding and taxes and assume Kathy put no additional money into savings

Seven times the sum of twice a number and 16

Luther evaluated 2^3 as 9 and wade evaluated 3^2 as 9 are both students correct?

Solve the differential equation by variation of parameters, subject to the initial conditions y (0) = 1, y' (0) = 0. 9y'' - y = xex/3

Joey rolls a regular number cube. What's the chance he rolls an even number? Record your answer as a simplified fraction using "/" as your fraction key.

You are playing a game and it is your turn to spin the spinner shown. There are four possible results: blue, green, yellow, or purple. What is the probability that you land on purple?

seventy percent of the 100 students in a middle school cafeteria bought their lunch. Some of the students that bought their lunch leave the cafeteria to attend an assembly. Now only 60% of the remaining students bought their lunch.

Before his basketball game, Jessie is responsible for cleaning the visiting teams team's half of the court. Three of his teammates are responsible for cleaning the home teams half of the court.