Carmen saved 592 pennies. her sister saved 128 pennies. together, they put 250 pennies in wrappers and took them to the bank. what is the total number of pennies, rounded to the nearest hundred, carmen and her sister have left?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?

Prove that quadrilateral is a rhombus.