15. On the day Michael was born, his parents invested $6000 in an account with a 1.5% annual growth rate.
a) Write a function, A(t), that represents the value of this
investment t years after Michael's birth.
b) Determine, to the nearest cent, how much money Michael
will have when he turns 32 years old.

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Which system of linear inequalities is represented by the graph?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30