14 A
B
Shape A is a semi-circle which has a radius of 12 cm.
Shape B is a circle.
The area of shape A is 8 times the area of shape B.
Show that the radius of shape B is 3 cm.
(Total for question 14 is 3 marks)

Cumulative examcumulative exam active13time remaining02: 44: 18the graph represents the data cost for monthly internetservice for a cell phone.which function, c(x), represents the monthly cost in dollarsin terms of x, the number of gigabytes used in a month? cell phone internet service(15,5x + 10150,0sx522 < x < 664x115, osx< 25x + 20, 2< x< 650, 65815%,monthly cost (s)20x + 5| 50x,0 < x < 22 < x < 664x( 15x, osx< 2c(x) = 5x + 10, 2< x< 6150x, 65 x5+1234 5 6 7 8 9 10 11 12gigabytes used

Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition

What is the solution set for z+10=z-2