9d + 4 = 2d + 53

Can someone tell me what d stands for?

The difference between two natural numbers is 8. The product of these natural numbers is 345. Find these numbers.

4% of how many days equals 56 days

What is 4 1/2 doubled

How do you solve x-5=x-6-8

How do you write twelve hundredths

How to find the roots of h (x) = 2x^2 + 26

The bull's eye on an archery target has a radius of 3 inches. The entire target has a radius of 9 inches. To the nearest 10th, find the area of the target outside the bull's eye.

Which measure is equivalent to 110mL?

13,006,017 in word form

Potatoes cost janice $1 per pound, and she has $5 that she could possibly spend on potatoes or other items. if she feels that the first pound of potatoes in worth $1.50, the second pound is worth $1.14, the third pound is worth $1.