Help please it’s
Maths

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Wrote and expression for the difference of p and 4

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.