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If a is 4 and b is 6, what is the value of this expression? sqrt(a^2+2b-3) Plug in our values for a and b: sqrt(4^2+2(6)-3) sqrt(16 + 12 - 3) sqrt(25) 5

Factor the following expression: 4a(9b + 7) - 3(9b + 7) The common factor in each term is (9b + 7). Factor this out and we get: (4a - 3)(9b + 7)

Using PEDMAS: 2^4 = 16 New expression: 2 - 8 ÷ (16 ÷ 2) (16 ÷ 2)= 8 New Expression 2 - 8 ÷ 8 8 ÷ 8 = 1 New Expression 2 - 1 2 - 1 = 1

A rectangle is cut in half to create two squares that each has an area of 25. What is the perimeter of the original rectangle? A. 20 B. 25 C. 30 D. 50 Area of a square: A = s^2 We're given A = 25: s^2= 25 s = 5 This means the rectangle width is 5. The rectangle length is 2(5) = 10...

A Sales Manager buys antacid in bottles by the gross. If he goes through 3 bottles of antacid everyday, how long will the gross last? Calculate a gross A gross equals 144 because 1 gross = 12 dozen 12 dozen * 12 items/dozen = 144 Answer Days lasted = Total Bottles / Bottles per day Days lasted...