HELP ! The angle measurements in the diagram are represented by the following expressions. A= 6x – 2
B= 4x + 48
solve for x and then find the measure of a

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.

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20