State if the two triangles are congruent. if they are state how you know

Factor the monomial completely 42a3b3

Find an equation for the linear function which has slope -10 and x-intercept -7

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.