The gradient of the normal to the curve y = (x+a)² +b at the point (1,10) is -1/8. Find a and b.​

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

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.

Change negative exponents to positive. then solve. round to four decimal places