Marcos added + 12 + - 11 and got the answer - 1. What error did Marcos make?

He found the difference of the numbers instead of the sum.

He divided the integers.

He chose the incorrect sign for the sum.

He multiplied the integers.

Is 5/8 equal to - 5/8

Find an equation in standard form for the hyperbola with vertices at (0, ±4) and foci at (0, ±5). y squared over 16 minus x squared over 9 = 1 y squared over 25 minus x squared over 16 = 1 y squared over 16 minus x squared over 25 =

Find the zero of the function f (x) = 5x-3

The volume of the crate is 72 cubic feet but the length is 3ft the base is 6ft and the height is unknown

C-7=3C-33 I don't understand how I would simplify to get my answer.

Write a sentence that shows the commutative property of multiplication

What is the slope of a line that runs parallel to y = 2 x + 5?

Evaluate 3 (x - 1) + 2 when x = 5. A) 18 B) 14 C) 16 D) 4

A pet store has nine dog leashes. It has a few were dog leashes then dog collars. How many dog collars does the store have

What is the volume of a sphere if its r=21m?