Answer:what grade u in
Step-by-step explanation:
Answer:
A) 
Step-by-step explanation:
remember Soh Cah Toa!!

Answer:
3
Step-by-step explanation:
Plug in the values for a and b= -7(-1)-2(2)
Multiply= 7-4
Subtract= 3
Hope this helps ^-^
Because both sides are equal the answer should be B. Communative Property.
Answer:
a]148
b]150.5
c]60
Step-by-step explanation:
a]149+111+171+166+152+129+162+144
1184/8
148
b]arrange in ascending order
111,129,144,149,152,162,166,171
149+152
301/2
150.5
c]highest-lowest
171-111
60