Rosana used linear combination to solve the system of equations shown. She did so by multiplying the second equation by a certain number to eliminate the y-terms. What number did Rosana multiply the second equation by?

Solve 5 + x - 14 = x - 7

Aro diagrams his river rafting trip, estimating the time it will take him to paddle upstream against the current, and then back downstream with the current. His campsite destination is 5.2 miles upstream.

5. Dave has work shirts in 5 different colors. He works three days each week. How many possible arrangements are there for the shirts each week? 15 60 120 125

on three days last week Maria ran 3/4 of a mile 7/8 Mile and 3/5 a mile list the distances in order from least to greatest

How do you solve 4x - 3y=-15. x y=5 using substitution

Several friends wanted to rent a summer cottage for $320. When two more people joined the group, each person's share was reduced by $8.00. How many were in the original group?

Consider a square and a regular hexagon (a six-sided figure with sides of equal length). One side of the square is 25 feet longer than a side of the hexagon, and the two figures have the same perimeter.

The measure of angle n is 42º. what is the measure of angle k? parallelogram k l m n where k n is parallel to l m and k l is parallel to m n enter your answer in the box.

The interest that cindy earns on her investment is given by the equation / =42t where t is the time in years that her money is invested. she makes a table to determine how much money she would earn for different values of t.

Solve for x: 6 (4x+5) = 3 (x+8) + 3 round to nearest hundredth