On 11th February, 2015, Hari calculated that he will turn 13 years old on 31st March,2015. How many days were left before his birthday from the day he calculated?

Plz. yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Secant be and cf intersect at point d inside a what is the measure of cde

If the value of cos330°is√3/2 then find cos 165°.