What do physical changes do?

alter the chemical structure of a substance

becomes a new chemical substance

increase the total mass of a substance

affect the size, shape, and phase of a substance

The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of 5 grams.

Which best describes how to solve the table 64x37

If a 1000 pennies are put into rolls of 50 pennies, how many rolls will be made?

An equilateral triangle with height 30 yards. Find the perimeter and area.

What equation represents a population of 210 animals that decrease at an annual rate of 14%?

In a team bike race, each biker has to ride exactly 50 miles. the team must complete 560 miles. how many miles must each biker travel?

If the decimal is 0.08 what is 10 times as much

If you traveled 50 m in 25 s what is your distance traveled and average speed?

Karla has a younge sister and an older brother. Her younger sister is 3 years more than a half of karla's age. Her older brother is 7 year lees than twice karla's age. If the sum of all 3 of their is 38, how old is kayla.

The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour?