False, all integers are rational because they can be expressed as a fraction. Like -4 is a rational number because it can be -4/1. All integers are rational.
Answer: a + 4
explanation: sum means what comes from two numbers being added. so you just need to add a and 4
Answer: Enlargement
Step-by-step explanation: If the number is larger than 1 it is an enlargement if it is smaller it is a reduction.
4(c-d) is the answer bc the difference of (c-d) is done first, then multiplied by 4
