Janet drove 300 miles in 4.5 hours. write and equation to find the rate at which she was traveling.

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.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which is the graph of this function 3 square root of x plus one if