A person observing the tennis ball throw exclaimed, “That ball must have gone 18 feet in the air!” They wrote the equation 18= -16x2+16x+12 to represent the time in seconds it would take for the ball to reach 18 feet in the air.

Solve the equation 18= -16x2+16x+12 for x.​

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i

theres no picture: /

step-by-step explanation: