David has 7 siblings less than 4 times Joanne's number of siblings. Write an expression that represents David's number of siblings to Joanne, j.​

Acircle has a circumference of 28.36 units what is the diameter of the circle

Which linear function represents the line given by the point-slope equation y + 1 = –3(x – 5)?

The deepest part of the swimming pool is 12 feet deep. the shallowest part of the pool is 3 feet deep. what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?