Answer:
1. and
2. Distance
3. 1-(-2.5)=3.5
4. 3.5-1=2.5
5. {drawing}
6.15.8-9.9=5.9
7. 17+3y=5y+9; y=2; MP=17+3y=17+3(2)=23
8. (110+23)/2=66.5
9.
10. 2y=8y-3; 6y=3; y=2; DE=6; EF=13; DF=19
11. (2/3)-(-5.25))
12. -2-(-5.25)=3+(1/4)
13. {drawing}
14. 17.1-8=9.1
15. 2.5x+x=5x-3; 1.5x=3; x=2; MN=5
16. (50-24)/2=13; 13+(24-9)=28yd
17.
18. 3y=42/2;y=7; QR=21
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Step-by-step explanation:
