You can name a vector<span> by its length and direction</span>
Answer:
40
Step-by-step explanation:
6x7-8/4 =42 - 2 = 40
Um do you have a picture that we can look at because we can't help you if we don't have a picture of the problem.
Answer:

Step-by-step explanation:
a is a¹ and you have a^7 in multiplication you add the exponents. If you were to have a numerical value, you would replace a and calculate. If a = -5 then: a^8 =

which is = 390 625
Answer:306
Step-by-step explanation:
since the width of the bottom square is 10, you split it between the triangles on top. You have to do this because 7 is not the whole width of the two triangles. So then the width of the triangles would be 12, 12 times 9 is 108, you'd have 216 total for both triangles and then the area of the square is 90, 90 plus 216 is 306.