59
115
114
145
Correct answer is D
214×312÷438
= 94×72÷358
= 94×72÷835
= 95
= 1 45
Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10? ...
Find dydx, if y = 23 x3 - 4x...
If x = {n2+1:n is a positive integer and 1 ≤ n ≤ 5}, Y = {5n:n is a positive int...
Simplify 1 - (7/3 x 5/4) + 3/5 ...
Find the midpoint of the line joining P(-3, 5) and Q(5, -3). ...