A line has equation y = 3kx - 2k and a curve has equation y = r - kx + 2. where k is a constant. Find the set of values of k for which the line and curve meet at two distinct points.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap