jack takes a job after school to earn money to buy a sport car. He knows that the more hours he works .the more money he will make

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.