Suppose joaquin also bought a movie for $18 and paid for the purchases using 3 bills of the same type b write an expressions that shows the amount of change joaquin will receive after paying for the items

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?