2) A submarine dove from the surface at 12 metres/minute for 6 minutes and rose from that depth for 9 metres/minute for 4 minutes. Write an order of operations
statement for this question and solve to find the depth of the submarine after the 2
movements.

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount