A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of {a} square feet. Find the width of the walkway (x) if the garden measures 15 feet wide by 19 feet long. Write answer to 2 decimal places. (Write the number without units).

A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of {a} square feet. Find the width of the walkway (x) if the garden measures 15 feet wide by 19 feet long. Write answer to 2 decimal places. (Write the number without units).

Solve by the quadratic formula or completing the square to obtain exact solutions. x2+16x+54=0{“version”:”1.1″,”math”:”x2+16x+54=0″}

Solve 3×2+2x-5=0{“version”:”1.1″,”math”:”3×2+2x-5=0″}

Factor the polynomial completely. x2-9{“version”:”1.1″,”math”:”x2-9″}

Solve 4×2-12x-7=0{“version”:”1.1″,”math”:”4×2-12x-7=0″}

Solve x2+4x-45=0{“version”:”1.1″,”math”:”x2+4x-45=0″}

Solve 3×2+2x-5=0{“version”:”1.1″,”math”:”3×2+2x-5=0″}

Solve by the square root property (x-6)2=25{“version”:”1.1″,”math”:”(x-6)2=25″}

A stuntman jumps from a roof {a} feet from the ground. How long will it take him to reach the ground? Use the formula, distance, d = 16t2{“version”:”1.1″,”math”:”t2″}, (where t is in seconds). Write answer to 1 decimal place. (Write the number, not the units).