What is the sum of the lengths 3 km and 639 m

What is ten times more than 100

Luke stacked seven pieces of wood on top of each other. IF each piece was four-eighths of a foot tall, how tall was his pile?

Samuel has 20$ in his savings account before he makes a deposit of $160. After 2 weeks, he withdraws $160. How did samuels savings account balance change?

The principal of a high school spent 1700 for X desk each and Y chairs at $25 each if he had bought half the number of desk in twice the number of chairs he would have spent 1600 right to linear equation to represent the two conditions stated above

7th Math Homework to Parent Signature 1. What is the value of the expression - 9 x 2.22

Information about the students at Jackson High School is shown in the table. A 4-column table has 4 rows. The first column has entries tenth grade, eleventh grade, twelfth grade, total.

A researcher is trying to determine the January temperature in regions of the United States using the degrees of latitude. After collecting data, she creates a scatterplot.

What is the GCF of 45,85and90

Kyle plans to invest $9000, part at 2% interest and the rest at 3% interest. what is the most he can invest at 2% and still be guaranteed at least $200 in interest a year?

How much is 5280 feet of oil in this pipeline worth if the value of crude oil is $100 per barrel