0.01x - 0.3y = 1
y = 0.1x - 2
which of the following systems is equivalent to the given system?
x - 30y = 100 and 10y = x - 20
x - 3y = 10 and 10y = x - 20
10x - 30y = 10 and 10y = x - 20

The system of equations graphed below has how many solutions? y = 2x + 2

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality