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

Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.

Which shows how to solve the equation 3/4x=6 for x in one step?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6