Cho tam giác ABC
vuông tại
A
có
AB a = , AC a = 2
. Diện tích tam giác
ABC
là

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class