Answer:
-14/25
Step-by-step explanation:
-4/5 * 7/10
Multiply the numerators
-4*7 = -28
Multiply the denominators
5*10 = 50
numerator/ denominator
-28/50
Divide top and bottom by 2
-14/25
Answer:

Step-by-step explanation:
The midpoint of AB coordinates are:
where:

248 to 370 gems
set up two equations
132=(1/2)x+8 x=248
193=(1/2)x+8 x=370
B; simplify the equation and find the choice that matches