Answer:
multiply each term in the bracket by the expression outside the bracket
:)
Step-by-step explanation:
Answer: A
Step-by-step explanation:
I feel like #19 is cut off...
20. 72000000 = 7.2 x 10^7
if you do 72000000.0 and move the decimal to the left until the number is less than 10, it'll be 7 spaces.
Answer:
2x + y
Step-by-step explanation:
x² + xy - y² = 4
→ Remember the rule, bring the power down then minus 1
2x + y
