Find the solution of the equation -2x + 7 = 7 1) no solution 2) infinitely many solutions 3) x = 0 4)x = -7

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?