Two months ago, the price in dollars of a cell phone was c . a. Last month, the price of the phone increased by 10%. Write an expression for the price of the phone last month.

b. This month, the price of the phone decreased by 10%. Write an expression for the price of the phone this month.

c. Is the price of the phone this month the same as it was two months ago?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Julie multiplies 6.27 by 7 and claims the product is 438.9 .explain without multiplying how you know juliesanswer is not correct.find the correct answer