The length of a rectangle is 2 cm more than two times the width. If the perimeter of the rectangle is 28 cm, what are the dimensions? A. width = 4 cm, length = 10 cm c. width = 8 cm, length = 20 cm
b. width = 4 cm, length = 20 cm
d. width = 8 cm, length = 18 cm​

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

This is so hard and it’s for a test

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?