Solve each equation :
1) 3z-2=13
2) -5y-10=-60
3) 4x-5+2x=-2
4) x-8/3=3

Rewrite the following without an exponent. (5/8)-1

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?