Question 7 1 pts
ALGEBRA Evaluate the expression if x = -8, y = 7, and z = -11.
X-7
Question 8
1 pts
ALGEBRA Evaluate the expression if x = -8, y = 7, and z = -11.
-13-Y
I need help on both:/

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?

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !