15. A pair of parallel lines is cut by a transversal.
What are the measures of the two marked
angles?
3x - 5
2x – 15
A. 40° and 40°
B. 40° and 140°
C. 65º and 115°

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

What is the solution of log2  (3x  -  7)  =  3? 4 5

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?