Can someone please answer this ASAP. This is due in six minutes please explain step-by-step because I don’t know what I’m doing.

The isosceles triangle has two sides of equal length, a, that sre longer than the length of the base ,b. the equation 2a+b=15.7 can be used to find the sides length. if one of the longer sides is 6.3 centimeters what is the length of the base

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

What is the value of the expression below? 148+(-6)| + |– 35= 7|