Is your D y= - (- x) ^2
If so y would equal a negative so it cannot be 3
Answer:
do it like step by step down below
Step-by-step explanation:
123
+ 240
+ 300
= 663
Answer:
23
Step-by-step explanation:
- Create an equation to find y: 3 =

- Calculate by adding: 3 =

- Multiply both sides of the equation by 7 : 21 = y - 2
- Move the variable to the left-hand side and change its sign : -y + 21 = -2
- Calculate and change signs : y = 23
y = 23
Triangles ABD and BCD are similar, because they are both right and share a common angle, and thus all three angles are equal.
This means that we can set the proportion

Plug the numbers and we have

Solve for
:

Answer: B
Step-by-step explanation: