Atriangle has squares on its three sides as shown below. what is the value of x?

three squares having side lengths 3 cm, x cm, and 4 cm joining to form right triangle at the centre

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

Im so bad at fractions they are not my best math thing to work on