Adiver is atan elevation of -18 feet relative to sea level. the diver desceends to an undersea cave that is 4 times as far from the cave surface, whta is the elevation of the cave

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?