A surveyor is measuring the height of a volcano. She measures the elevation of its base, at the bottom of the sea floor, at -16,400 feet. She measures the summit at an elevation of 13,680 feet. What is the total height of the volcano, from
the base to the summit?
0-30,080 feet
0 -2,720 feet
O 2,720 feet
0 29,720 feet
30,080 feet
Intro
Done

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

What statement is true? 2x^2-9x+2=-1

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato