Perimeter area how does it work

Factor this polynomial completely x^2-64

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.