If 10kg of steel costs $26, how much does 5kg cost? Show your working. If 15kg of steel costs $45, how much does 6kg cost? Show your working.

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)