Angle CDA = Angle CBA
(x^2)+8x+7
x= -1,-7
Answer:
400
Step-by-step explanation:
To find the scale factor, you need to find out how much the initial value was multiplied by to get the new value. To do that, you need to divide the new value by the initial value. Make sure the units are the same; don't divide 1000 feet by 30 inches!

Hope this helps!
Answer:
A.10
Step-by-step explanation:
An exponent is a number or letter written above and to the right of a mathematical expression called the base.
x is the base and n is the exponent or power. Definition: If x is a positive number and n is its exponent, then xn means x is multiplied by itself n times.
Do you have a picture or something to accompany the question?
Answer:
90
Step-by-step explanation:
1/2x10x3.6=18
18x5=90