This is for my brother’s test What are the measures of L1 and L2? Show your work or explain your answers.

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

Which expression is equivalent to 5r6141 2r+st6

What is the value of r of the geometric series?