kevin went to the minimart and bought some drinks for$2 each and some bags of chips for $3 each. he bought 7 items and paid $18. write a system of equations that could be used to figure out how many drinks, d, and bags of chips, c, kevin bought

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Write the equations in logarithmic form 10^3=1,000

What is the inverse of f(x) = 6x -24