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if x and y are positive integers such that 3x+y = 94 and 2x-y = 16 what is the value of x2-y2 ?
12
16
24
32
If a and b are positive real numbers, then (a0-3b0)5 = ?
0
1
-32
Solve the inequality : 4(x - 6) + 4 < 8 (x - 4)
Solve for x : log2 {x + 3} = 4
19
13
8
Two similar triangles have areas in the ratio 4 : 9. If the perimeter of the smaller triangle is 20, what is the perimeter of the larger triangle?
In a trapezoid, the lengths of the two parallel bases are 10 and 16. If the height of the trapezoid is 4, find the area of the trapezoid.
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