Simplify the following expression: 9 – 3x + (-6x) + 4

Ared balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. a blue balloon starts at 12.4 meters off the ground and rises at 1.5 meters per second. when will the balloons be at the same height?

What is always true about a positive integer raised to a negative odd power?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog