I need help with both questions on the screen. if you can only answer one thats fine too!
1 answer:
Answer:
11. 
Step-by-step explanation:

Substitute





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Answer:
1/6
Step-by-step explanation:
i used a calculator
Answer:
60°
Step-by-step explanation:
angle A +angle B +angle C = 180
30° +B+90°= 180
120°+B=180°
B=180°-120°
B=60°
Use calculator it’s just square roots
Answer:
Step-by-step explanation:
You have to divided in your calculater
S + l. = 34
11s + 21l= 514
-11s - 11l= -374
11s + 21l = 514
10l = 140
l = 20 long sleeve shirts
s + 20 = 34
s = 14 short sleet shirts