Expression below?

(14x - 7) + (10 - 2x)

When asked to factor the x^2-100, a student gives the answer (x-10) (x-10) What is the wrong with this answer?

X = y + 4 2x - 3y = - 2

A rectangle and a parallelogram have the same base and the same height. How are their areas related? guys im just asking questions

Drew's van is 200 centimeters tall. The height limit for a bridge is 3 meters, How many centimeters shorter or taller is Drew's van than 3 meters? Drew's van is 1 centimeter taller than 3 meters.

The legs of a right triangle measure 6 meters and 8 meters. What is the length of the hypotenuse?

What is the percent of 3/14

A 7th grader student chooses a random sample of 50 out of 400 students. He finds that 7 students have traveled outside the United States. The student claims that over 50 of the 400 students have likely traveled outside the United States.

If the car spends 2.5 hours going 35 miles per hour on the trip, how long does it spend going 35 miles per hours

Mr. Obama would like his daughter to attend Harvard in 6 years when she finishes high school. Mr. Obama would like to invest enough money in a certificate of deposit (CD) now to pay for his daughter's college expenses.

Geode shaped approximately like a cylinder. It has a height of 26 feet and a diametet of 5.6 feet. What is the volume of the geode, rounded to the nearest tenth?