The science club sold homemade cupcakes to raise money for a hiking trip they sold the cupcakes for 75 cents each they spent $38.54 baking ingredients and make a profit of $105.50 write and solve the equation to determine the number of cupcakes the science club sold

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Can someone me with my math problem pls my teacher is on my back about this

Given: △abc, bc> ac, d∈ ac , cd=cb prove: m∠abd is acute