If m<2 = x+8 and m<3= 2x +7, what is m<2?
A.25
B.33
C.30
D.57

If the measure of xyz is 81 what is the measure of yz

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.

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73