Select all the equations that have x = 0.9 as a solution
a)0.8x = 0.72
b)6x = 5.4
c)0.9x = 90
d)10x = 0.9

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?