Monifer used substitution to solve this system of equations. Which equation could be the result of her first step? 3a + b=225 b=a-15

When keisha installed a fence along the 200-foot perimeter of her rectangular back yard, she left an opening for a gate in the diagram below she used x to represent the length in feet of the gate

Express 0.000041 in scientific notation

The band is selling 50 hats for a fundrasier. Each hat is being sold for $12. The hats cost a total of $400. If they sell all the hats, how much money will be raised by the band? Use the four-step plan.

A) For the triangle with verticesP (-2, 0), Q (4, 6), and R (5,-3), find an equation for the median from vertex R

Four times a number minus 3 times the sum of the number plus 2 is equal to 5. What is the number?

A package of cheese weighs 10 ounces. 200 grams is approximately 7 ounces. What is the approximate weight of the package of cheese in grams? 0.35 grams 38.6 grams 203 grams 285.7 grams

Let v=6i + 9j, and w = - i - 2j. Find 7w + 6v.

24.5 times 8.76 show work

You drive your car 4.5 hours at an average speed of 70 miles per hour. How far did you go

Rewrite the function by completing the square. g (x) = x2 + 152 + 54