7 17/18. Put them both over 18 and add so they have the same denominator
Answer:
Step-by-step explanation:
(4,-2.5)
Answer:
±
Step-by-step explanation:
±√24
±√-1 √24
±√24 i
±2√6 i
Answer:
1
Step-by-step explanation:
over Y would make the x negative
Let's say stress ball cost x and t shirt cost y
8x+5y=111.75
12x+4y=102.00→3x+y=25.5→y=25.5-3x
8x+5(25.5-3x)= 111.75
8x+127.5-15x=111.75
-7x=-15.75
x=2.25
12x+4y=102
12(2.25)+4y=102
27+4y=102
4y=75
y=18.75
d is the correct answer
