Translate into algebraic expression and simplify: ''the difference of a number and five increased by two.''

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.

Find the domain and range of the following function f(x) = 51x - 21+ 4

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in