3 - (2x^2 + 3x) domain?

Sorry to bother you all with what might seem like a simple conversion problem, but I have tons of HW to do, and math is absolutely NOT my area of expertise. So, have at it, you math-wizards. A full explanation would be greatly appreciated, too.

What is the algebraic expression for the following word phrase the sum of 15x and 4

What is the x intercept of the graph of - 4x=-20

Use the distributive property to decide which of the following is equivalent to 2 (3 + 5x) ? Select all that apply. 2 (3) + 2 (5x) 6 + 10x 2 + 8x -6x

A city planning committee is designing a rectangular community garden in one of the city's parks. The perimeter of the garden will be 40 feet and the area will be 96 square feet. The length of one side of the garden is represented by x.

Oranges are sold in a supermarket at £1.42 per KG. what would be the cost of the oranges being weighed on the scales below. scale is on: 1.5kg

What is 9$ discounted to 4$ in percent form?

A circular clock face has a diameter of 7 inches. what is the area of the clock face? round to the nearest tenth.

The dimensions of a box are 13 1/2 in.,6 1/2in., and 5 in, what is the volume of the box?

Use algebraic rules of equations to predict the solution type to the system of equations. Include all of your work for full credit. x + 2y = 10 6y = - 3x + 30