3. People who smoke are asked to halve the number of cigarettes consumed each day so that any effect on

pulse rate can be measured.

Is it a survey, observation or experiment method?

Use the following information for Questions 1-3: The rate at which water flows into a tank, in gallons per hour, is given by a differentiable function R of time t. The table below gives the rate as measured at various times in an 8-hour time period.

Who invented the no zero

Joseph's company offers a reimbursement package of $0.45 per mile plus $175 a year for maintenance. If x represents the number of miles, which equation below models C the total amount of reimbursement the company offers? •A. C = 0.45 + 175x •B.

Does 20/8 and 28/9 form a proportion

Round 90% to the thousandth place write as a decimal

Find the solution set. t2 = 16 Separate the two values with a comma.

A box of oat cereal costs $3.90 for 15 ounces. A box of rice cereal costs $3.30 for 11 ounces. Which box of cereal cost less per ounce

Solve for x and graph: show your work! -9x - 30 < 15?

Can someone explain Constant of Proportionality?

How do you know when a question is a division problem