Anna buys 12 pens and 20 pencils for a total of 16. One pen costs 0.40 more than one pencil. What would 1 pen and 1 pencil cost

What value of x will make this equation true 2x-6=3x+1-x-7

Which statement must be true if segment EG is an altitude for the triangle DEF

3. Solve z2 - 15z + 56 = 0 using the zero product property. A. z = 8, 7 B. z = - 5, - 2 C. z = 8, - 4 D. z = - 4, 7

2.087 greater or less than 2.15

What's the three methods ratio

Joe and his parents are going on vacation. On the first day they travel 250 miles. On the second day they travel 300 miles. The total miles they must travel is 1000.

Find x when y=3 in the literal equation 3x+6y=24

The sequence below is arithmetic {1,8,27,64}

Angles α and b are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of b if b < α. sin (x 2 + 2x) = cos (2x + 3x 2)

Kevin has mowed 40% of the lawn. If he has been mowing for 20 minutes, how long will it take him to mow in a hour?