Use the tally chart to draw a bar graph below. the scale is given. coins in maria's piggy bank number of coins penny nickel dime quarter

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.

Evaluate cos2θ for cosθ = square root of 3/2

Aline passes through 3,7 and 6,9 what equation represents the line