Answer:
Start at -4. Move 7 units to the right because 7 is positive. The sum is 3.
Step-by-step explanation:
P.S, I answered first.
Start at -4. Move seven units to the right because seven is positive. The sum is 3.
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B.
to turn a decimal into a percentile you have to move the decimal point over two spaces to the right.
if 70% of the orice is 420 then
70x = 100 × 420
70x = 42000
x = 42000/70
x = 600
B
Noting the following rule of radicals
× =
Given
( + )( - )
Each term in the second factor is multiplied by each term in the first factor
= ( - ) + ( - ) ← distribute parenthesis
= - + -