Which equation shows how to use equivalent fractions to evaluate 5/7 + 1/2

What signals you that factoring by grouping is the best method to use when factoring a problem?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°