Eric has two rock samples. One has a mass of 600 grams, and the other has a mass of 1 gram. He recorded the total mass as 7 kilograms. What do he do wrong? What is the correct answer?

In 1997, the average household expenditure for energy was $1,338, according to data obtained from the U. S. Department of Energy. An economist claims that energy usage today is different from its 1997 level.

What does a=3n+1 and solve for n

From 6x^2-7xy+8y^2 subtract the sum of x^2-3xy-y^2 and 2x^2+5xy-4y^2

How do you solve - 3y-8=25

Complete the comparison: 2+7>? a. 9+4 b. 7+3 c. 10-2 d. 8+2

5.2 x 10 to the 6 power is equal to what

Order from least to greatest: 2/3, 25%, 3/5, 0.40

Evaluate the given algebraic expression for x=3 and y=3 x^2y^2 A / 18 B / 36 C / 12 D / 81

There are 4 pennies, 2 nickels, 5 dimes, and 5 quarters in a jar. The probability that a random selected coin is a penny is 1/4. Is this experimental or theoretical probability

Traveling 15 miles in 20 minutes, how many miles per hour must you be going?