21. How long can food that requires time-temperature control be left in the danger zone?

A. A maximum of 1 hour

B. A maximum of 2 hours

C. A maximum of 3 hours

D. A maximum of 4 hours

The volume of a cylinder is to be determined from measurements of the diameter and length. If the length and diameter are measured at four different locations by means of a micrometer with an uncertainty of 0.

Fixed objects that fix a location are called

Dave and Ellen are newly married and living in their first house. The yearly premium on their homeowner's insurance policy is $550 for the coverage they need.

What is the area of a circle with circumference 4rt ft?

What is the product of current and Resistance A power B voltage inductance D conductance

There are six items to be rung up in the cash register. The first item costs $15.00. Each item after that costs an additional $2.00. (item #2 costs $17, item #3 costs $19, etc.

List and briefly describe two modern's materials needs

Write the definition of a method named add that receives a reference to a Scanner object associated with a stream of input consisting of integers only. The method reads all the integers remaining to be read from the stream and returns their sum.

How are fluids distributed and transported in a fluid power system?

The sliders A and B are connected by a light rigid bar of length l = 20 in. and move with negligible friction in the slots, both of which lie in a horizontal plane. For the position where xA = 16 in., the velocity of A is vA = 3 ft/sec to the right.