Which is the best estimate of 25% of 395

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle