How do i factorise this equation

a²+7a+12

Covert 261,000,000,000 to scientific notation

In Las Vegas, the hottest recorded temperature is 47ËšC, and the lowest recorded temperature is - 13ËšC. What is the difference between the city's highest and lowest recorded temperatures?

An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. using the sample space provided below and assuming each simple event is as likely as any other, find the probability that the sum of the dots is 88.

What are the solutions to the following system of equations? y = x2 + 3x - 7 3x - y = - 2

How many positive integers are factors of 120 and also factors of 40?

What is the equal ratio for 24 and 4

The largest ranch in the world is in the Australian Outback. It is about 12,000 square miles, which is five times the size of the largest United States ranch. Write and solve an equation to find the size of the largest United States ranch.

Round $5.38 to the tenths place.

Which transformations could have occurred to map ABC to ABC a rotation and a reflection a translation and a dilation a reflection and a dilation a ditation and a rotation

A house purchased for $226,000 has lost 4% of its value each year for the past five years. What is it worth now?