Answer: b. 180
Step-by-step explanation:
The sum of the angles of a triangle is 180°.
Answer:
12 bikes
9 tricycles
Step-by-step explanation:
x+y=21
2x+3y=51
x=-y+21
2(-y+21)+3y=51
-2y+42+3y=51
y+42=51
y=9
x=12
Answer:
area of composite shapes is area of rectangle plus area of square what do I know I'm just in 8th grad
The answer is D.
Because you want to find the rewrite way of distributive right? 2(9+3)
Therefore it’s (2x9) + (2x3)
Answer:
y=-9x+9
Step-by-step explanation:
There are only two like terms in the equation which I have underlined.
y= <u>3x - 12x</u> +9
To simplify it, you combine the like terms and get your equation in standard form.
