Last year, Lukas read 7 more books than Trevor. This year, Lukas read twice as many books as last year. If k represents the number of books Trevor read last year, type an expression to show the number of books Lukas read this year. Enter your answer in the box.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

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