Answer:
452.4 cm^2
Step-by-step explanation:

I hope that is useful for you :)
Answer:
70
Step-by-step explanation:
both sides of the triangle are 70 because they equal 140 plus 40 is 180
Answer:
Step-by-step explanation:
It is a function. Every x value is different.
74,233 increased by 58,490 is 74,233 * 58,490 so its 4,341,888, 170. So 4 billion, 341 million, 888 thousand, 170.
Scientific notation is 4.34188817 * 10 to the 9th power.