A marine biologist, a scientist who studies animals that live in the water, created an equation for the least squares regression line to predict the length of a great white
shark based on the height of its dorsal fin. The height of the dorsal fin of one
particular great white shark was 23 inches and the equation predicted a length of 13
feet. The prediction was not perfect. The residual for this fish was 0.8. Which of the
following statements is true?

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries