First one is 9/10 second is 1 2/5
ANSWER = 17.5% of 360 = 63
EXPLANATION:
Find 10% of 360 = 36
Then 5% of 360 = 18
Then 2.5% of 360 = 9
Add them together
so 17.5% of 360 = 63
4. 3x+(-x)=4
3x-x=4
2x=4
x=4/2
answers:
x=2
y=-2
5.
y=x-1
4x-y=19
-x+y=-1
4x-y(cross the y’s out they cancel eachother)=19
3x=18
x=6
-6+y=-1
y=-1+6
y=5
answers:
x=6
y=5
Answer:
D
Step-by-step explanation:
An operation of two real numbers is defined by the rule

Calculate
First evaluate the expression in brackets:

Now,
