A sundae with 1 topping is $0.99, with 4 toppings is $1.74, and with 7 toppings is $2.49. Which equation represents the cost of the sundae, c, given number of toppings, t?
A. C= 0.25t + 0.74
B. c = 0.74 +0.25
Ο Ο Ο Ο
C. c = 0.75t + 0.99
D. c = 0.99 +0.75

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.