Combine like terms and classify the polynomial by the number of terms.
2x² +8+3x²+52-9

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab