Free points what is 10+10

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

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?