Enter the expression using exponents. 5 7 × 5 7 × 5 7 × 5 7 × 5 7 × 5 7 × 5 7 =

57×6 is 342 ,not sure what you mean by the word expression

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25

the solution, from the graphing of the two lines, is (3,2), i.e., x = 3, y = 2.