An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is

A. 2x-y=pi-1 B. 2x+y=pi+1 C. 2x-2y=2-pi D. 4x+2y=2-pi I got A

A coal mine worker is 650 feet below the ground in a mine. Another coal mine worker is 7 feet above ground operating machinery. Write an integer for the position of each worker relative to the ground. Find the absolute value of each integer.

Joe has eaten 4/5 0f a pizz. jane has eaten 1/6 of a pizza how many times more pizza has joe eaten than jane

Dentify the x-intercept and y-intercept of the equation below. 9x - 7y=21

Which is equivalent to 3 square root 81/4

Write in standard form a line containing (3,2) and has a slope of - 2/3

A stack of boards is 21 inches high. Each board is 1 and 3/4 inches thick. How many boards are there?

There are 90 students in Grade 5, and 10% of them were absent today. In Grade 6, 15% of the 80 students were absent today. What was the total number of students in the two grades who were present today?

Solve for x: 4 (3x + 12) = - 36 x =

Write two inequalities to compare - 9 and - 6

Which triangle is a 30°-60°-90° triangle? Mark this and return