Which equation is represented by the phrase a number increased by 3 equals 10 ​

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6