You have a standard deck of playing cards from which you randomly draw a card. let a be the event that the card is an ace, let r be the event that the card is red, and let d be the event that the card is a diamond. find the specified probability as a fraction.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4