4. emily bought 3 shirts for $12.50 each and a pair of shorts for $20. she had a coupon for $3 off
her purchase, before sales tax. sales tax is 6%. how much did emily pay for the clothes after the
coupon and sales tax?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?