Plz help me :) dropdowns 1) vailid/ not valid
2) unbiased/biased
3)appropriate/ inappropriate

Is a positive integer raised to a negative power always positive

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4