If =a/2-n squared/5a make n the subject of the formula
find correct to 3s. f the value of n when :z= 14 and a =-8​

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?

If 25% of y is 30, what is 60% of y?

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