You have 12 cards. one out of every 4 cards is faceup. the rest are facedown. how many cards are faceup

A carpenter is assigned the job of expanding a rectangular deck where the length is four times the width. The width of the deck is to be expanded by 3 feet and the length is to be expanded by the new width.

Simplify i³⁸. [i=√ (-1) ]

a fully inflated car tire loses 2% of its air every day. if the tire atarted with 4460 cubic feet of air, write an equation to show how much air it had after d days.

The coefficient of 8 times 2n is

A rectangle is 2.8 in wide and 3.9 in tall. If it is enlarged to a width of 22.4 in, then how tall will it be? A) 31.2in B) 0.5in C) 2.8 in D) 28.7 in

Which BEST represents the height of a home? A) 11 centimeters B) 11 kilometers C) 11 millimeters D) 11 meters

What is the slope of 6x+5y=-15

Gracie and mary and nancy each have a small collection of seashells gracie has 5 more than 1 and 1/4 times the number of shells mary has. nancy bas 1 more than 1 and 1/2 the number of shells mary has.

True or False a scaled bar graph has a key

Change the mixed number into an improper faction 6 5/12