Which of the following uses a variable to represent a person, place, or thing that is unknown

Ryan runs 3 miles in 28 minutes. at the same rate, how many miles would he run in 42 minutes?

The temperature at the South Pole was - 39°F at 8 AM at 3 PM it was 10°F by how many degrees did the temperature rise

Anthony buys one pound of oranges for $12 and sells it for $14. How can he write the profit in his account book? A.+$2 B.+$14 C.$14 D.-$2 E.-$12

A tailor needs three pieces of fabric, 1.68 yards long, 1.5 yards long, and 1.26 yards long. Estimate how many yards of material he should buy to the nearest yard.

A school basketball team has an expense account and a fundraising account. After t weeks, the balance of the expense account is (450-70t) dollars and the balance of the fundraising account is (275+48t) dollars. a.

Identify the two statements that contradict each other: A) Line FA || Line AC B) Line FA and AC are skew C) Line Fa and AC do not intersect

The difference of 9 times a number and 2 is 67. Which equation below can be used to find the unknown number?

We need to substitute these problem you can take first one to understand

Which of the following situations can be represented by the absolute value of 10? Check all that apply. The temperature is 10 degrees below zero. Express this as an integer. Determine the size of Harold's debt if he owes $10.

What is the median for this set of data 37 14 22 45 57 58 61 A) 41 B) 45 C) 46 D) 58