If $3,840 is invested in an
account at 5%
annual simple
interest, how long
will it take for the
interest to grow
to $960?

Tan198=asin164=? how to solve this? ?

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Im so bad at fractions they are not my best math thing to work on