The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?

The circumference of a circle is equal to the perimeter of an equilateral triangle. If the radius of the circle is 7 cm what is the length of the side of the equilateral triangle?

The volume of a cuboid is 320 cubic cm. Find its total surface area if its length and breadth are 10 cm and 8 cm respectively?

In a Rhombus ABCD, measure of angle CAB is 25°, what is the measure of angle ABC?

If 14.35 - (1.956 - x ) - 83.92 = 3.858 then what is the value of x?

If cotA = x, then the value of x is

If 2x - 6 ≤ x - 3 and 1+3x < 4x + 4, then x can take which of the following values?

A does 30% of a work in 30 days. He then calls in B and they together finish the remaining work in 20 days. How long B alone would take to do the whole work?