Use proportions for all of them, for #1 use the proportion 12/30 = 9/a based on corresponding sides and then cross multiply. a=22.5 For #2 use the proportion y/35 = 64/40 based on corresponding sides and then cross multiply, y=56 For #3 use the proportion 42/? = 54/36 and then cross multiply, ?=28
76.
If the number after the decimal is below five, you round down. If the number is above five, you round up. 76 is your answer.
Answer:
Step-by-step explanation:
I would say the answer is 6
6 + 6 than times by two is 24
Slope is -1
Y intercept 3
X Intercept 4
Sorry I do t know the others
Haven’t gone over that
Hope this helps