Calculate the total surface area of the triangular pyramid.

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1