The cost of highlighters is proportional to the number of highlighters purchased. If a 4-pack of highlighters costs $2.40, what is the cost per highlighter?

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

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.