X2+4x-3/x4-5x2+4 what is the domain of this function

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

Your client has saved $1,860 for a down payment on a house. a government loan program requires a down payment equal to 3% of the loan amount. what is the largest loan amount that your client could receive with this program

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?