The sum of the digits of a two-digit number is 10. The result of subtracting twice the
units digit from three times the tens digit
is 15. Find the number.​

What would be an example of hypothesis for goldfish respiration lab

Draw the structure of dna nucleotide with adenine as nitrogenous base

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind