Aresearcher for paint company is measuring the level of a certain chemical contained in a particular type of paint. if the paint contains too much of the chemical, the quality of the paint will be comprised. on average each can of paint contains 10 percent of the chemical. how many cans of paint should the sample contain if the researchers wants to be 98 percent certain of being within 1 percent of the true proportion of this chemical

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

Solve the system of equations y= 3/2 - 1, -x+ y =-3