a rare coin is currently worth $450 The value of the coin increases 4% each year Detemine the value of the coin after 7 years.

576

Step-by-step explanation:

450 x 0.04 (0.04 meaning 4%) is 18, then 18 x 7 by the number of years listed, thats 126, then 450 + 126 = 576, by 7 years it would be worth 576, went up by 28%.

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm