A frog sitting on a stump 4 feet high hops off and lands on the ground. During her leap, the frog's height h in feet is given by the equation h = - 0.5d ^ 2 + d + 4 , where dis the horizontal distance in feet from the base of the stump . A : What was the frog^ prime maximum height B : How far from the stump did the frog land C: What was the frog's horizontal distance from the log at her maximum height?

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step-by-step explanation:

answer: i think it is (1,-2)

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.