So first you would substitute j and k in the expression.
7(0.5)+5-8(0.25)
3.5+5-2
It would equal 6.5
Hope this helps!
Answer:
2nd option
Step-by-step explanation:
4 + (-3) = 1 because the signs mismatch, something cannot be both positive or negative. When the signs are the same, whether it be both positive or both negative, the answer will always be positive, while if the signs are mismatching the answer will always be negative.
Hope I helped!
Use the formula A= abch
a= side
b= side
c= side
h= side
180-90=3x
90=3x
X=30
90+x+y=180
90+30+y=180
120+y=180
Y=60
