MRS Jones class: 80*3=240
MR Beliz class: 62*4= 248
Mrs Jones class is cheaper than Mr Beliz class by $8.00 (248-240)
<u>Mrs Jones class is cheaper </u>
Answer:
9.8 x 2.2 = 21.56 m
distance = time x speed
speed = distance ÷ time
Step-by-step explanation:
The highest point he reached occurred at the vertex, which is at t = -b/2a = 2.2 second. Plugging in t = 2.2
9.8 x 2.2 = 21.56ft
Higher cliffs don't accelerate your fall -- acceleration is constant during free fall. The pull of gravity decreases infinitesimally at higher elevations, but it pulls you with an equal force from the first second of your jump until you decelerate when you hit the water.
Answer:
a, b, c are all perfect square trinomials
Step-by-step explanation:
a) (x+3)²
b) (w²-2)²
c) (xy-1)²