How can you check if two rays are perpendicular

The united states uses 24%of the worlds supply of energy. what fraction of the worlds energy is this?

What is the difference between 2,386 and 7,000? A. 9,386 B. 4,614 C. 5,614 D. 10,386

Write the quadratic equation whose roots are - 5 - 4 and whose leading coefficient is 4

Show all steps 16/x+10=8/2x-1

Which statement is NOT true about the graph of y=5x? A) The graph forms a line that increases at a constant rate. B) When x is positive, y is positive. C) The graph intersects the y-axis at y=1.

73/100 simplest form

FInd the volume of the square pyramid shown round to the nearest tenth if necessary 11cm 11cm 15cm

How do yo spell 607.409 in word form

Sue has 3 times as many beads as Jo. Jo has 8 beads. How many beads does Sue have? Write an equation to find the unknown number. Use a variable for the unknown.

Orlando has a bank statement balance of $414.25 and $5.90 service charge. His check register shows $374.16 and he has two outstanding checks of $26.54 and $21.78. After adjustments for the service charge, what is the checkbook balance?