The first shaded triangle is 144 cm.
There is no equals sign. Are we looking for x, or y?
Either way, with the -5 exponent outside the parentheses, you can multiply that to each exponent in the fraction to get rid of it.
I'm not sure what you mean by 2x^12y^3. Is it an exponent within another exponent?
Answer: 57r + 42
Step by step explanation:
-3r - 6(-7 - 10r)
Distribute -6 through the parenthesis
-3r + 42 + 60r
Collect the like terms
57r + 42
Your answer is ab -c
multiply both sides by B
Then subtract C