Which systems below would be most easily solved using the substitution method?

a) 4x+y=1, x-2y=8

b) 2n=3m+12, 5m+2n=-4

c) 2x-y=10, - 6x+3y=12

d) 2x+y=3, 4x-3y=1

How to change. 365 to a percent

Sam has $400 in his bank account and plans to save $25 per week. Zoe has $250 in her bank account and plans to save $75 per week. How many weeks will it be before their accounts are equal?

Find the simple interest on #1500 in 5 years at 4% per annum

27 - (63-8) and (72-63) - 8 is it equivalent or not and why

11.361 times 14.7 equals

Simply the expression - 3 (x+3) 2-3+3x. what is the simplified expression in standard form?

Which statement could be used to explain why fx) = 2x - 3 has an inverse relation that is a function? The graph of f (x) passes the vertical line test. f (x) is a one-to-one function The graph of the inverse of f (x) passes the horizontal line test.

1. Subtract the following two polynomials: 3x^2-7x + 2 and 9x^2 + 3x - 8.

Solve for w. 30 = - 6w + 12

Julie says I added three odd numbers and my answer was 50 explain why Julie cannot be correct