In a math class , there are 14 girls and 16 boys. Which of the following ratios does NOT represent between girls and boys? A. 14:16
B. 14/16
C. 7 to 8
D. 2.9

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25