Answer: y+8
Step-by-step explanation:
-2(y-1)+3(y+2)
-2y+2+3y+6
y+8
1) you add the variables in the bracket
(4+5)÷3×4
9÷3×4
2) you multiply 3 by 4
9÷3×4
9÷12
3) now you divide 9 by 12
9÷12
=0.75
Answer:
rectangle: 30 in^2
triangle: 12 in^2
composite: 42 in^2
Step-by-step explanation:
area of a rectangle: length times width
area of a triangle: 
composite area: break the area up by shapes you can find the area of, then add it back together
Answer:
right isosceles
Step-by-step explanation:
isosceles have two congruent thingys i forgot what they are called