Answer:
=5a+7b
Step-by-step explanation:
Expand: 5(a + 2b): 5a + 10b
=5a+10b-3b
<em>Add similar elements: 10b-3b=7b
</em>=5a +7b
Answer:
Assuming data is from population, 0.1
Step-by-step explanation:
P
E
M
D
A
S
okay since the first step is parenthesis, the next step would be exponents but you have none so you skip to multiplication, then you divide
divide is your answer
Answer:
1/3
Step-by-step explanation:
pic bleow
also can u help or someone
draw three cells in parallel, two light bulbs (loads) in series, with one switch.