3 The gradient of the curve y = (x + bx at the point
1,3) is 4. Find the value of a and of b.

Acircle has a circumference of 28.36 units what is the diameter of the circle

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?