Can somebody answers this you , just a, b, and c .

a) ( -8 ) - 13 - ( -4 )

b) 4 - ( -7 ) + ( -2 )

c)( -7 )+ 3 - 20

i would really appreciate answers you .

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.