I need help with 1/2x+13=9
im in the 8th grade btw

Name the quadrilaterals that have four equal sides.

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50