Daniel had 20 minutes to do a three problem quiz he spent 8 3/4 minutes on A and 5 1/2 on question B . How Mich time did he had left for question C

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. she sets up a tape measure and throws the yoyo 3 times. her data are charted below. throw length of string (feet) 1 3 2 1.8 3 1.08 jessa wants to find the sum of the length of string after 10 throws. what is the sum of the lengths, rounded to the nearest hundredth?

Figure abcd is a trapezoid with point a (0, -4). what rule would rotate the figure 270° clockwise, and what coordinate would be the output for point a'?