Is the line through points p(0, –9) and q(2, –8) perpendicular to the line through points r(1, 4) and s(3, 3)? explain.

yes; their slopes are equal.
yes; their slopes have product –1.
no; their slopes are not reciprocals.
yes; their slopes have product –1.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

What is the best estimate of the length of a football

Asap! will mark brainliest! ( respond asap, it's urgent! : )) what is the slope for equation y =-3x + 8