Big dig diamond company pulverizes 152 tons of rock for every 2 ounces of diamonds it finds. how many tons of rock must it grind up in order to locate 20 ounces of diamonds?

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

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