Center (−3, −2); radius 4 find a equation

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

It says factor each expression 49x-28?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)