The price original pair of shoes is $ 42. EI
offer price is 20% off
over the original price. At the sale price
add 7% sales tax.
What is the final cost of the pair of shoes?
Round to the nearest penny.

What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex q is on ordered pair 1 and 6, and the vertex r is on ordered pair 4 and 2. 5 square units 6 square units 10 square units 12 square units

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle