Ablackjack hand is often dealt with one card face up and one card face down. what is the probability that the sum of your two cards will be exactly 21 if the face up card is an ace? (assume no other cards have been dealt so far.)

The actual length of side t is 0.045 cm. use the scale drawing to find the actual side length of w. a) 0.06 cm b) 0.075 cm c) 0.45 cm d) 0.75 cm

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Hurry which expression is equivalent to 3√x^5y?