10. * 2 points
10) a + 8 < 12 or -2a 5-10
A) a <4 or a 25:
-2 -1 0 1
2
3
4
15
6 7
8
9
10
B) a>l:
4+
8
-4
0
4
8
C) a 6 or a < 0 :
44
-2
0
2
4
6
8
10
D) a >-8 or a <-9:
-12
-10
-8
6
4
2

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Which expression gives the area of the triangle shown below

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.