2x + 7(x+3) = 9x +21
If you put a real number, you got it right.
3 works, 4 works, 5 works, and so do the rest.
The bottom base of a polygon is 18, and the top base of the polygon is 12. A seven foot tall person stood next to the person, and they were the exact same height. What is the area of half of this polygon? Dimensions are in feet.
(Hint: It's a trapezoid. {Formula: ((b1 + b2) ÷ 2)h})
52.5in2
What fraction of 12 is 6?
1/2
Simplify
y3 × yyy × y27
y33
(If you put 33 y's, that's also okay.)
Solve:
What is 1+1?
2
What is the LCM of 3 and 4?
12
Use digits to write:
"Three hundred and three thousandths"
300.003
Unless you have already, don't pick Calculus level Stuff for 400.It's going to kill you.
250u2