Use the Properties of Equality to solve each equation.
3. a-6 = 19 (1 point)

a = 25

Step-by-step explanation:

a-6 = 19

Adding 6 on both sides,

a-6+6 = 19+6

a = 25

10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation: