Please answer with clear instructions so that i can apply this to other questions.

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

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

Askateboard ramp is in the shape of a right triangle what is the height of the ramp