Mathew is 2 yards tall how many inches tall is he.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

Can someone tell me if this is perpendicular? !