A sem circle of diameter 5.8 cm.
Draw a circle with centre O and radius 3.7 cm. Draw a chord PQ of the circle. Mark points X and
Y on the circle and indicate the minor arc PXQ and major arc PYQ of the circle.
Draw three circles of radii 2 cm, 3 cm and 4 sm with
are these?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

How do you solve a question like this?

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?