Simona's music book includes 50 piano tunes, of which 7 are by bach, and 18 are by mozart.

if simona chooses a tune at random, what is the probability that it is either by bach or by mozart?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.