Danial

Mr.Wang spent $40 for 5 picture cards, 2 note book and a vase. The cost of 1 picture card and the vase was $16. The cost of 1 picture card and 1 note book was $10. What was the cost of the vase?

Doreen and Raju had the same amount of money. Lihua and Raju had $3406 altogether. If the three of them had $5010 altogether, how much more money than Doreen did Lihua have?

Derive an expression for kinetic energy of an object mass m moving with uniform velcoity v what happens to the kinetic energy of a body if its velcoity is halved?

Identify and explain five recommendations to address teenage pregnancy

Air resistance can be overcome by streaming and wear smooth helmet