Dans 1 mm cube de sang, il y a 5 millions de globules rouges. 1 litre de sang est composé d'environ 450 cm cube de globules rouges
Quel est le volume d'un globule rouge, en micromètre cube ?

Me because some of question i don’t understand

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.