Answer:
-12
Step-by-step explanation:
-7+(-5)=
-7-5=
-12
Answer:
Step-by-step explanation: 60 x 3= 380
2 x 60= 270
270 + 380= 810
Answer:
3 is correct answer
Step-by-step explanation:

hope it helped you:)
Answer:
80%
Step-by-step explanation:
Cause four divided by five equals .8 so then multiply it by ten and u get 80%
Answer:
x = 39
Step-by-step explanation:
there is a theorem that states that the midsegment in a trapezoid is equal to the sum of the bases divided by two
so, (36 + 42)/2 = x
36 + 42 = 78
78/2 = 39