Without computing each sum, find which is greater O or E, and by how much.

O=1+3+5+7 + ... + 97

E=4+6+8+10 + ... + 100

Sam can solve 30 multiplication problems in 2 mins. How many can he solve in 20 mins.

1. Type mmnn using exponents. 2. Solve 3x = 5 + 7. x = 3. Solve x/3 = 7. x = 4. Solve. 5x = 12. x = 5. Solve 4x - 6 = 2x + 4. x = 6. Evaluate 3x^2 if x = 6. 7. Evaluate 3y^2 + 2y if y = 3.

For the next test, one of the students got 100 but the remaining 4 still got 50. What was the average grade in the class now?

Multiplications and divide find the missing number in each pattern 1,4,16 blank, 256

On a test, shelly got approximately 93% of the items correct. she got 76 questions right. how many questions were on the test? answers

4/10:2/3 how do I do this?

Suppose the current price of gasoline is 2.63 per gallon. Find the current price index number using the 1975 price of 56.7 cents as a reference value

Tonya is 5 feet tall. Which equation below can be used to determine h, Tonya's height in centimeters if 1 inch is equivalent to 2.54 centimeters?

A chocolate chip cool recipe asks for one and one half times as much flour as chocolate chips. If there and three quarters cups of flour is used, what quantity of chocolate chips would then be needed, according to the recipe?

What is 692:4 equals