4) A piece of hematite contains 70% iron. If the hematite weighed 60g,
how much iron would there be?
6) A survey of 250 trees in a small

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Adaycare center charges a $75 enrollment fee plus $100 per week. which of the following represents the cost of sending a child to daycare for 14 weeks?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93