A^2 +a-6. You use the method of foiling where you multiply the first two terms, the the outside terms, the inside terms, then the last terms. You would do a•a, then a•-2 the a•3 then 3•-2. You would get a^2 -2a +3a -6. Then combine like terms to get your answer.
Answer:
40 hours
Step-by-step explanation:
500 ÷ 12.5 = 40
Answer:
The answer is 3x because 3 times 4 is 12, and 12+3=15.
4+15+11+5+7+10= 50 cm
10cm was the missing one
Answer:
Step-by-step explanation:
Mean = ∑x/ N
91 = ∑x / 150
∑x = 150 * 91 = 13650
x= 6825 and y = 6825