Which ordered pairs in the form (x, y) are solutions to the equation
4x−5y=24
select each correct answer.

a. (6, 0)

b. (4, 8)

c. (1, −4)

d. (−9, −12)

What is the value of x? enter your answer in the box. photo attached.

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 equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.