Answer:
x=1
Step-by-step explanation:
3(4x+1)=15
12x+3=15
12x=15-3
12x=12
x=12/12
x=1
Answer: There are no like terms.
Answer:=−x^2+2x+7
Step-by-step explanation: Hope this help :D
Answer: answer A
Step-by-step explanation: y = mx + b
Answer:
Use Heron's formula; see below.
Step-by-step explanation:
Use Heron's formula.
Let the sides of the triangle have lengths a, b, and c.


Example:
A triangle has side lengths 3, 4, and 5 units.
Find the area of the triangle.








1. D
2.B
3.A
4. D i think i can’t really see that question
5.C