Answer:
19)tu=12
20) true
Step-by-step explanation:
19) (22+5x)+(19-2x)=35
3x+41=35
3x=-6
x=-2
TU=22+5*-2
=12
Answer: 300 square feet
Step-by-step explanation:
Answer:

Step-by-step explanation:
1) Simplify


2) Use this formula: a/b × c/d = ac/bd.

3) Simplify.

4)

5) Since 2 × 2 = 4, the square root of 4 is 2.

6) Simplify 32 × 2 to 64.

7) Simplify 64/2 to 32.

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>o</u></em><em><u>p</u></em><em><u>t</u></em><em><u>i</u></em><em><u>o</u></em><em><u>n</u></em><em><u> </u></em><em><u>t</u></em><em><u>h</u></em><em><u>r</u></em><em><u>e</u></em><em><u>e</u></em><em><u> </u></em><em><u>-32</u></em>
Answer:
80 4 4
___ x 60 = ____ 60 = _____ x 12 = 48 questions he will need to get right.
100 5 1