A teacher saves P5,000 every 6 months in the bank that pays 0.25% compounded monthly. How much will be her savings after 10 years?

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

Prove that quadrilateral is a rhombus.

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis