)the count is trying to choose his new 7-digit phone number. since he is picky about his numbers, he wants it to have the property that the digits are non-increasing when read from left to right. for example, 9973220 is a valid phone number, but 9876545 is not. how many choices for a new phone number does he have?

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

answer: 12/52

step-by-step explanation: my reasoning is that there are 12 face cards in a deck and a total of 52 cards in all.

1/8 is left? add a bit more info plz