Answer:
Step-by-step explanation:
D , because 28-9=21 and 21=x
Answer:
C
Step-by-step explanation:
Answer:
-7 × (-4) will have a positive product.
Step-by-step explanation:
product of the two number are positive only if the two numbers have the same sign either both (+) or both (-).
and -7 × (-4) = 28.
here 28 is positive.
(4/5)*what = (2/3)
Multiply by 5/4
.. what = (2/3)*(5/4)
.. what = 5/6
