Rearrange this sentence to make it stronger: The explanation of the student for why he was late wasn't good enough for me and my sister.
Make the sentence as concise and grammatically correct as possible. "The student's explanation for why he was late wasn't good enough for my sister and I."
Simplify 5x + x.
Both 5x and x share the same variable (x) so they can be added together. Think of x as 1x. Therefore, 5x + 1x = 6x.
Which of these are prime numbers? 1, 5, 7, 9, 10, 12
Prime numbers are numbers greater than 1 and are only divisible by themselves. Therefore, the prime numbers are 5 and 7.