Heather added some items to a 20-pound package, increasing its weight by 15%. What was the new weight of the package?
A. 35 pounds
B. 23 pounds
C. 21.5 pounds
D. 20.15 pounds

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122