what is the answer to (-4b-3)4b-5b because my maths teacher says -16b^2-17b but i don’t think that’s right?

Which number is irrational? a) 16 b) 18 c) 25 d) 36

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126