Sally is buying new school supplies. she used a 15% off coupon on a set of markers that was originally $3.00. she also bought some paper that was 20% off. in total, sally spent $5.35 after using her coupons. how much was the original price of the paper?

For which rational expression is -2 an excluded value of x?

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

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).