Select all the statements that are true Every thombas as equal sides

Every trapezoid has 2 pairs of opposite parallel sides
Every square has 4 equal sides and right angles.

Every paralelogram has 4 equal sides

Every rectangle is a paralelogram

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?