-15= -4m+5
can someone please tell me what m is?

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

What are the values of each variable in the diagram below?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?