Answer:

Step-by-step explanation:
Both triangles in this figure are similar. Therefore, we can set up the following proportion:
.
Cross-multiply to solve:
.
When an exponent is outside the parenthesis, you multiply them.
13*19=247
“C” 2^247 is the answer.
I hope this helps!
~kaikers
Ur answer will be C… basically u make the equation equal to zero and then use the quadratic formula to find ur answers…. x = -3 and 9
Answer: 42
Step-by-step explanation:
We know that because 40% percent of 70 equals 28. So we do the following-
70 minus 28 equals 42!
Glad to help!
Answer: 3 hours
Step-by-step explanation:
If you add up 25+15=40 if you add up 40+15=55, 55+15=70, 70+15=85