exam Maths Puzzle Numerical Ability

Add. 20 + (-15)

Read Solution (Total 0)

exam Other Question

Solve the system by substitution.
x + y = 12
y = 2x

This problem has me a bit confused and need some help. Thanks.
Write the equation of the line with given slope and y-intercept. Then graph each line using the slope and y-intercept.

Problem: Slope -3/4; Y intercept (0,8)