Answer:
A=90°,B=90°,C=90°,D=90°
Step-by-step explanation:
all of the numbers A-D add up to 360°
50% of 100 is 50. If you look at the percentage symbol, it has a line with two zeros. If you rearrange them it looks like a one hundred. 50%= .50= 1/2. 1/2 times 100=50
Answer:
22.96
Step-by-step explanation:
Answer:

Step-by-step explanation:
You will use the FOIL method, which is very similar to the distributive property.
In order to do multiply correctly, multiply the y by 3x, 5y, and -2. You should get:

Then multiply the -4 by 3x, 5y, and -2 where you should get:

By using the foil method, you got rid of the parentheses. Now you can simply combine like terms and get your final answer:

I hope this helps you!